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Alexandra Pontefract
Alexandra Pontefract
Senior Staff Scientist, Johns Hopkins Applied Physics Laboratory
Verified email at jhuapl.edu - Homepage
Title
Cited by
Cited by
Year
Impact-generated hydrothermal systems on Earth and Mars
GR Osinski, LL Tornabene, NR Banerjee, CS Cockell, R Flemming, ...
Icarus 224 (2), 347-363, 2013
2822013
The role of meteorite impacts in the origin of life
GR Osinski, CS Cockell, A Pontefract, HM Sapers
Astrobiology 20 (9), 1121-1149, 2020
962020
Microbial diversity in a hypersaline sulfate lake: a terrestrial analog of ancient Mars
A Pontefract, TF Zhu, VK Walker, H Hepburn, C Lui, MT Zuber, G Ruvkun, ...
Frontiers in microbiology 8, 1819, 2017
772017
The CanMars Mars sample return analogue mission
GR Osinski, M Battler, CM Caudill, R Francis, T Haltigin, VJ Hipkin, ...
Planetary and Space Science 166, 110-130, 2019
352019
Towards in situ sequencing for life detection
CE Carr, A Mojarro, J Hachey, K Saboda, J Tani, SA Bhattaru, A Smith, ...
2017 IEEE Aerospace Conference, 1-18, 2017
312017
Microbial diversity and activity in Southern California salterns and bitterns: analogues for remnant ocean worlds
B Klempay, N Arandia‐Gorostidi, AE Dekas, DH Bartlett, CE Carr, ...
Environmental microbiology 23 (7), 3825-3839, 2021
162021
Current state of athalassohaline deep‐sea hypersaline anoxic basin research—recommendations for future work and relevance to astrobiology
LA Fisher, A Pontefract, S M Som, CE Carr, B Klempay, B E Schmidt, ...
Environmental Microbiology 23 (7), 3360-3369, 2021
162021
Sequencing nothing: Exploring failure modes of nanopore sensing and implications for life detection
A Pontefract, J Hachey, MT Zuber, G Ruvkun, CE Carr
Life sciences in space research 18, 80-86, 2018
152018
Impact-generated endolithic habitat within crystalline rocks of the Haughton impact structure, Devon Island, Canada
A Pontefract, GR Osinski, CS Cockell, CA Moore, JE Moores, G Southam
Astrobiology 14 (6), 522-533, 2014
152014
Geomorphology of Gullies at Thomas Lee Inlet, Devon Island, Canadian High Arctic
E Godin, GR Osinski, TN Harrison, A Pontefract, M Zanetti
Permafrost and Periglacial Processes 30 (1), 19-34, 2019
112019
The effects of meteorite impacts on the availability of bioessential elements for endolithic organisms
A Pontefract, GR Osinski, P Lindgren, J Parnell, CS Cockell, G Southam
Meteoritics & Planetary Science 47 (10), 1681-1691, 2012
112012
CanMars mission Science Team operational results: Implications for operations and the sample selection process for Mars Sample Return (MSR)
CM Caudill, AJ Pontefract, GR Osinski, LL Tornabene, EA Pilles, M Battler, ...
Planetary and Space Science 172, 43-56, 2019
92019
The bioburden and ionic composition of hypersaline lake ices: novel habitats on earth and their astrobiological implications
JJ Buffo, EK Brown, A Pontefract, BE Schmidt, B Klempay, J Lawrence, ...
Astrobiology 22 (8), 962-980, 2022
82022
Field and laboratory validation of remote rover operations Science Team findings: The CanMars Mars Sample Return analogue mission
CM Caudill, GR Osinski, E Pilles, HM Sapers, AJ Pontefract, R Francis, ...
Planetary and Space Science 176, 104682, 2019
82019
Microbial diversity of impact-generated habitats
A Pontefract, GR Osinski, CS Cockell, G Southam, PJA McCausland, ...
Astrobiology 16 (10), 775-786, 2016
82016
CanMars mission science results and review of optimization for sample selection for Mars Sample Return (MSR) based on science operations and procedures
CM Caudill, A Pontefact, GR Osinski, LL Tornabene, T Xie, A Mittelholz, ...
Planet. Space Sci.(in this issue), 2018
72018
A series of robotic and human analogue missions in support of lunar sample return
CL Marion, GR Osinski, S Abou-Aly, I Antonenko, T Barfoot, N Barry, ...
43rd Annual Lunar and Planetary Science Conference, 2333, 2012
52012
Trapped in the ice: an analysis of brines in British Columbia's hypersaline lakes
EK Brown, JJ Buffo, M Grantham, A Pontefract, J Glass, E Ingall, P Doran, ...
51st Annual Lunar and Planetary Science Conference, 2218, 2020
42020
Microbial life in impact craters
CS Cockell, G Osinski, H Sapers, A Pontefract, J Parnell
Current Issues in Molecular Biology 38 (1), 75-102, 2020
32020
The Role of Ionic Composition and Concentration on Biosignature Preservation: Lessons from the" Spotted" Lakes of British Colombia
A Pontefract, CE Carr, MR Osburn
The Astrobiology Science Conference (AbSciCon) 2019, 503-6, 2019
32019
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